summaryrefslogtreecommitdiff
path: root/sysdeps/unix
diff options
context:
space:
mode:
authorRoland McGrath <roland@gnu.org>1996-06-16 03:49:40 +0000
committerRoland McGrath <roland@gnu.org>1996-06-16 03:49:40 +0000
commit5fbef188648f5150617e0a14f1011e600f1b3a0f (patch)
tree81334ea044e87bc2cf489cc8cb49adab73b9d6dd /sysdeps/unix
parentf9496a7b54c27580d4b30cc2b2b40e86738b2b81 (diff)
* hurd/Makefile (routines): Add get-host, set-host.
(distribute): Add hurdhost.h. * hurd/hurdhost.h: New file. * sysdeps/mach/hurd/gethostname.c: Use _hurd_get_host_config. * sysdeps/mach/hurd/gethostid.c: Likewise. * sysdeps/mach/hurd/sethostname.c: Use _hurd_set_host_config. * sysdeps/mach/hurd/sethostid.c: Likewise. * hurd/get-host.c: New file. * hurd/set-host.c: New file. * math/Makefile (headers): Add fpu_control.h. (aux): New variable, list fpu_control and setfpucw. * sysdeps/generic/fpu_control.c: New file. * sysdeps/stub/fpu_control.h: New file. * sysdeps/unix/sysv/linux/m68k/fpu_control.h: Moved to ... * sysdeps/m68k/fpu_control.h: here. * sysdeps/unix/sysv/linux/i386/fpu_control.h: Moved to ... * sysdeps/i386/fpu_control.h: here. * sysdeps/unix/sysv/linux/alpha/fpu_control.h: Moved to ... * sysdeps/alpha/fpu/fpu_control.h: here. Fixed copyright. * sysdeps/unix/sysv/linux/alpha/Makefile (sysdep_routines): Remove setfpucw, fpu_control. * sysdeps/unix/sysv/linux/alpha/fpu_control.c: File removed. * sysdeps/unix/sysv/linux/setfpucw.c: Moved to ... * sysdeps/generic/setfpucw.c: here. (__fpu_control): Variable removed. (__setfpucw): Use SET even if zero.
Diffstat (limited to 'sysdeps/unix')
-rw-r--r--sysdeps/unix/sysv/linux/alpha/Makefile4
-rw-r--r--sysdeps/unix/sysv/linux/alpha/fpu_control.c21
-rw-r--r--sysdeps/unix/sysv/linux/alpha/fpu_control.h105
-rw-r--r--sysdeps/unix/sysv/linux/i386/fpu_control.h104
-rw-r--r--sysdeps/unix/sysv/linux/m68k/fpu_control.h108
-rw-r--r--sysdeps/unix/sysv/linux/setfpucw.c37
6 files changed, 2 insertions, 377 deletions
diff --git a/sysdeps/unix/sysv/linux/alpha/Makefile b/sysdeps/unix/sysv/linux/alpha/Makefile
index e6e421da9d..9d596719da 100644
--- a/sysdeps/unix/sysv/linux/alpha/Makefile
+++ b/sysdeps/unix/sysv/linux/alpha/Makefile
@@ -1,6 +1,6 @@
ifeq ($(subdir), misc)
sysdep_headers += alpha/ptrace.h alpha/regdef.h
-sysdep_routines += ieee_get_fp_control ieee_set_fp_control fpu_control \
- setfpucw sethae ioperm osf_sigprocmask fstatfs statfs
+sysdep_routines += ieee_get_fp_control ieee_set_fp_control \
+ sethae ioperm osf_sigprocmask fstatfs statfs
endif
diff --git a/sysdeps/unix/sysv/linux/alpha/fpu_control.c b/sysdeps/unix/sysv/linux/alpha/fpu_control.c
deleted file mode 100644
index 20c032a03c..0000000000
--- a/sysdeps/unix/sysv/linux/alpha/fpu_control.c
+++ /dev/null
@@ -1,21 +0,0 @@
-/* Copyright (C) 1993, 1995 Free Software Foundation, Inc.
- Contributed by David Mosberger (davidm@azstarnet.com).
-
-The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
-
-The GNU C Library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-Library General Public License for more details.
-
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB. If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA. */
-
-#include <fpu_control.h>
-
-fpu_control_t __fpu_control = _FPU_DEFAULT;
diff --git a/sysdeps/unix/sysv/linux/alpha/fpu_control.h b/sysdeps/unix/sysv/linux/alpha/fpu_control.h
deleted file mode 100644
index 782f33e040..0000000000
--- a/sysdeps/unix/sysv/linux/alpha/fpu_control.h
+++ /dev/null
@@ -1,105 +0,0 @@
-/* Copyright (C) 1993 Olaf Flebbe
-This file is part of the Linux C Library.
-
-The Linux C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
-
-The Linux C Library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-Library General Public License for more details. */
-
-#ifndef _ALPHA_FPU_CONTROL_H
-#define _ALPHA_FPU_CONTROL_H
-
-/*
- * Since many programs seem to hardcode the values passed to __setfpucw()
- * (rather than using the manifest constants) we emulate the x87 interface
- * here (at least where this makes sense).
- *
- * 15-13 12 11-10 9-8 7-6 5 4 3 2 1 0
- * | reserved | IC | RC | PC | reserved | PM | UM | OM | ZM | DM | IM
- *
- * IM: Invalid operation mask
- * DM: Denormalized operand mask
- * ZM: Zero-divide mask
- * OM: Overflow mask
- * UM: Underflow mask
- * PM: Precision (inexact result) mask
- *
- * Mask bit is 1 means no interrupt.
- *
- * PC: Precision control
- * 11 - round to extended precision
- * 10 - round to double precision
- * 00 - round to single precision
- *
- * RC: Rounding control
- * 00 - rounding to nearest
- * 01 - rounding down (toward - infinity)
- * 10 - rounding up (toward + infinity)
- * 11 - rounding toward zero
- *
- * IC: Infinity control
- * That is for 8087 and 80287 only.
- *
- * The hardware default is 0x037f. I choose 0x1372.
- */
-
-#include <features.h>
-
-/* masking of interrupts */
-#define _FPU_MASK_IM 0x01
-#define _FPU_MASK_DM 0x02
-#define _FPU_MASK_ZM 0x04
-#define _FPU_MASK_OM 0x08
-#define _FPU_MASK_UM 0x10
-#define _FPU_MASK_PM 0x20
-
-/* precision control */
-#define _FPU_EXTENDED 0x300 /* RECOMMENDED */
-#define _FPU_DOUBLE 0x200
-#define _FPU_SINGLE 0x0 /* DO NOT USE */
-
-/*
- * rounding control---notice that on the Alpha this affects only
- * instructions with the dynamic rounding mode qualifier (/d).
- */
-#define _FPU_RC_NEAREST 0x000 /* RECOMMENDED */
-#define _FPU_RC_DOWN 0x400
-#define _FPU_RC_UP 0x800
-#define _FPU_RC_ZERO 0xC00
-
-#define _FPU_RESERVED 0xF0C0 /* Reserved bits in cw */
-
-
-/* Now two recommended cw */
-
-/* Linux default:
- - extended precision
- - rounding to positive infinity. There is no /p instruction
- qualifier. By setting the dynamic rounding mode to +infinity,
- one can use /d to get round to +infinity with no extra overhead
- (so long as the default isn't changed, of course...)
- - exceptions on overflow, zero divide and NaN */
-#define _FPU_DEFAULT 0x1f72
-
-/* IEEE: same as above, but exceptions */
-#define _FPU_IEEE 0x1f7f
-
-/* Type of the control word. */
-typedef unsigned int fpu_control_t;
-
-/* Default control word set at startup. */
-extern fpu_control_t __fpu_control;
-
-__BEGIN_DECLS
-
-/* called by start.o. It can be used to manipulate fpu control word. */
-extern void __setfpucw __P ((unsigned short));
-
-__END_DECLS
-
-#endif /* _ALPHA_FPU_CONTROL */
diff --git a/sysdeps/unix/sysv/linux/i386/fpu_control.h b/sysdeps/unix/sysv/linux/i386/fpu_control.h
deleted file mode 100644
index 8c04c1ea11..0000000000
--- a/sysdeps/unix/sysv/linux/i386/fpu_control.h
+++ /dev/null
@@ -1,104 +0,0 @@
-/* Copyright (C) 1993, 1995, 1996 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
-Contributed by Olaf Flebbe.
-
-The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
-
-The GNU C Library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-Library General Public License for more details.
-
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB. If
-not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
-
-#ifndef _FPU_CONTROL_H
-#define _FPU_CONTROL_H
-
-/* Here is the dirty part. Settup up your 387 through the control word
- * (cw) register.
- *
- * 15-13 12 11-10 9-8 7-6 5 4 3 2 1 0
- * | reserved | IC | RC | PC | reserved | PM | UM | OM | ZM | DM | IM
- *
- * IM: Invalid operation mask
- * DM: Denormalized operand mask
- * ZM: Zero-divide mask
- * OM: Overflow mask
- * UM: Underflow mask
- * PM: Precision (inexact result) mask
- *
- * Mask bit is 1 means no interrupt.
- *
- * PC: Precision control
- * 11 - round to extended precision
- * 10 - round to double precision
- * 00 - round to single precision
- *
- * RC: Rounding control
- * 00 - rounding to nearest
- * 01 - rounding down (toward - infinity)
- * 10 - rounding up (toward + infinity)
- * 11 - rounding toward zero
- *
- * IC: Infinity control
- * That is for 8087 and 80287 only.
- *
- * The hardware default is 0x037f. I choose 0x1372.
- */
-
-#include <features.h>
-
-/* masking of interrupts */
-#define _FPU_MASK_IM 0x01
-#define _FPU_MASK_DM 0x02
-#define _FPU_MASK_ZM 0x04
-#define _FPU_MASK_OM 0x08
-#define _FPU_MASK_UM 0x10
-#define _FPU_MASK_PM 0x20
-
-/* precision control */
-#define _FPU_EXTENDED 0x300
-#define _FPU_DOUBLE 0x200 /* fdlibm requires double precision */
-#define _FPU_SINGLE 0x0 /* DO NOT USE */
-
-/* rounding control */
-#define _FPU_RC_NEAREST 0x0 /* RECOMMENDED */
-#define _FPU_RC_DOWN 0x400
-#define _FPU_RC_UP 0x800
-#define _FPU_RC_ZERO 0xC00
-
-#define _FPU_RESERVED 0xF0C0 /* Reserved bits in cw */
-
-
-/* The fdlibm code requires strict IEEE double precision arithmetic,
- and no interrupts for exceptions, rounding to nearest. */
-
-#define _FPU_DEFAULT 0x127f
-
-/* IEEE: same as above, but exceptions */
-#define _FPU_IEEE 0x127f
-
-/* Type of the control word. */
-typedef unsigned int fpu_control_t __attribute__ ((__mode__ (__HI__)));
-
-/* Macros for accessing the hardware control word. */
-#define _FPU_GETCW(cw) __asm__ ("fnstcw %0" : "=m" (cw))
-#define _FPU_SETCW(cw) __asm__ ("fldcw %0" : : "m" (cw))
-
-/* Default control word set at startup. */
-extern fpu_control_t __fpu_control;
-
-__BEGIN_DECLS
-
-/* Called at startup. It can be used to manipulate fpu control register. */
-extern void __setfpucw __P ((fpu_control_t));
-
-__END_DECLS
-
-#endif /* fpu_control.h */
diff --git a/sysdeps/unix/sysv/linux/m68k/fpu_control.h b/sysdeps/unix/sysv/linux/m68k/fpu_control.h
deleted file mode 100644
index 97bde853bc..0000000000
--- a/sysdeps/unix/sysv/linux/m68k/fpu_control.h
+++ /dev/null
@@ -1,108 +0,0 @@
-/* 68k FPU control word definitions.
-Copyright (C) 1996 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
-
-The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
-
-The GNU C Library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-Library General Public License for more details.
-
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB. If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA. */
-
-#ifndef _FPU_CONTROL_H
-#define _FPU_CONTROL_H
-
-/*
- * Motorola floating point control register bits.
- *
- * 31-16 -> reserved (read as 0, ignored on write)
- * 15 -> enable trap for BSUN exception
- * 14 -> enable trap for SNAN exception
- * 13 -> enable trap for OPERR exception
- * 12 -> enable trap for OVFL exception
- * 11 -> enable trap for UNFL exception
- * 10 -> enable trap for DZ exception
- * 9 -> enable trap for INEX2 exception
- * 8 -> enable trap for INEX1 exception
- * 7-6 -> Precision Control
- * 5-4 -> Rounding Control
- * 3-0 -> zero (read as 0, write as 0)
- *
- *
- * Precision Control:
- * 00 - round to extended precision
- * 01 - round to single precision
- * 10 - round to double precision
- * 11 - undefined
- *
- * Rounding Control:
- * 00 - rounding to nearest (RN)
- * 01 - rounding toward zero (RZ)
- * 10 - rounding (down)toward minus infinity (RM)
- * 11 - rounding (up) toward plus infinity (RP)
- *
- * The hardware default is 0x0000. I choose 0x5400.
- */
-
-#include <features.h>
-
-/* masking of interrupts */
-#define _FPU_MASK_BSUN 0x8000
-#define _FPU_MASK_SNAN 0x4000
-#define _FPU_MASK_OPERR 0x2000
-#define _FPU_MASK_OVFL 0x1000
-#define _FPU_MASK_UNFL 0x0800
-#define _FPU_MASK_DZ 0x0400
-#define _FPU_MASK_INEX1 0x0200
-#define _FPU_MASK_INEX2 0x0100
-
-/* precision control */
-#define _FPU_EXTENDED 0x00 /* RECOMMENDED */
-#define _FPU_DOUBLE 0x80
-#define _FPU_SINGLE 0x40 /* DO NOT USE */
-
-/* rounding control */
-#define _FPU_RC_NEAREST 0x00 /* RECOMMENDED */
-#define _FPU_RC_ZERO 0x10
-#define _FPU_RC_DOWN 0x20
-#define _FPU_RC_UP 0x30
-
-#define _FPU_RESERVED 0xFFFF000F /* Reserved bits in fpucr */
-
-
-/* Now two recommended fpucr */
-
-/* The fdlibm code requires no interrupts for exceptions. Don't
- change the rounding mode, it would break long double I/O! */
-#define _FPU_DEFAULT 0x00000000
-
-/* IEEE: same as above, but exceptions. We must make it non-zero so
- that __setfpucw works. This bit will be ignored. */
-#define _FPU_IEEE 0x00000001
-
-/* Type of the control word. */
-typedef unsigned int fpu_control_t __attribute__ ((__mode__ (__SI__)));
-
-/* Macros for accessing the hardware control word. */
-#define _FPU_GETCW(cw) __asm__ ("fmove%.l %!, %0" : "=dm" (cw))
-#define _FPU_SETCW(cw) __asm__ volatile ("fmove%.l %0, %!" : : "dm" (cw))
-
-/* Default control word set at startup. */
-extern fpu_control_t __fpu_control;
-
-__BEGIN_DECLS
-
-/* Called at startup. It can be used to manipulate fpu control register. */
-extern void __setfpucw __P ((fpu_control_t));
-
-__END_DECLS
-
-#endif /* _M68K_FPU_CONTROL_H */
diff --git a/sysdeps/unix/sysv/linux/setfpucw.c b/sysdeps/unix/sysv/linux/setfpucw.c
deleted file mode 100644
index 47a021c587..0000000000
--- a/sysdeps/unix/sysv/linux/setfpucw.c
+++ /dev/null
@@ -1,37 +0,0 @@
-/* Set the FPU control word.
-Copyright (C) 1996 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
-
-The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
-
-The GNU C Library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-Library General Public License for more details.
-
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB. If
-not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
-
-#include "fpu_control.h"
-
-void
-__setfpucw (fpu_control_t set)
-{
- fpu_control_t cw;
-
- /* Fetch the current control word. */
- _FPU_GETCW (cw);
-
- /* Preserve the reserved bits, and set the rest as the user
- specified (or the default, if the user gave zero). */
- _FPU_SETCW ((cw & _FPU_RESERVED) | ((set ?: _FPU_DEFAULT) & ~_FPU_RESERVED));
-}
-
-/* The startup code in init-first.c calls __setfpucw (__fpu_control). */
-
-fpu_control_t __fpu_control;